GPS/GNSS Low-Noise Amplifier

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3

SUPPLY CURRENT vs. SUPPLY VOLTAGE

SUPPLY VOLTAGE (V)

3.0 3.2

2.6

2.4

2.2

3.7

3.9

4.1

4.3

4.5

3.5

1.6 1.8 2.0

3.4

2.8

+85°C

+25°C

-40°C

GAIN vs. RF FREQUENCY

RF FREQUENCY (MHz)

2000 2250

1750

1250 1500

750 1000

-5

0

5

10

15

20

25

-10

500

2500

GAIN vs. SUPPLY VOLTAGE

SUPPLY VOLTAGE (V)

2.8

3.0

2.6

2.2 2.4

1.8 2.0

20.2

20.4

20.6

20.8

21.0

20.0

1.6

3.4

3.2

NOISE FIGURE vs. TEMPERATURE

TEMPERATURE (°C)

35

60

10

-15

0.2

0.4

0.8

0.6

1.0

1.2

0

-40

85

NOISE FIGURE vs. SUPPLY VOLTAGE

SUPPLY VOLTAGE (V)

2.8

2.4

2.0

0.2

0.4

0.8

0.6

1.0

1.2

0

1.6

3.0 3.2

2.6

2.2

1.8

3.4

INPUT RETURN LOSS

vs. RF FREQUENCY

RF FREQUENCY (MHz)

1750

1250

1000

-25

-20

-10

-15

-5

0

-30

500

2000 2250

1500

750

2500

OUTPUT RETURN LOSS

vs. RF FREQUENCY

RF FREQUENCY (MHz)

1750

1250

1000

-40

-35

-30

-25

-20

-10

-15

-5

0

-45

500

2000 2250

1500

750

2500

REVERSE ISOLATION

vs. RF FREQUENCY

RF FREQUENCY (MHz)

1750

1250

1000

-70

-60

-50

-30

-40

-20

-80

500

2000 2250

1500

750

2500

IIP3 vs. TEMPERATURE

TEMPERATURE (°C)

35

10

-15

-6.0

-5.5

-5.0

-4.0

-4.5

-3.5

-6.5

-40

60

85

TWO TONES LOCATED AT 5MHz AND

10MHz OFFSET WITH -40dBm/TONE

Typical Operating Characteristics